EP1150323A2 - Plasmaanzeigetafel und Verfahren zur Herstellung von Trennwänden aus dieser Plasmaanzeigetafel - Google Patents

Plasmaanzeigetafel und Verfahren zur Herstellung von Trennwänden aus dieser Plasmaanzeigetafel Download PDF

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Publication number
EP1150323A2
EP1150323A2 EP01303578A EP01303578A EP1150323A2 EP 1150323 A2 EP1150323 A2 EP 1150323A2 EP 01303578 A EP01303578 A EP 01303578A EP 01303578 A EP01303578 A EP 01303578A EP 1150323 A2 EP1150323 A2 EP 1150323A2
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EP
European Patent Office
Prior art keywords
light emitting
emitting zone
plasma display
display panel
filling portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01303578A
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English (en)
French (fr)
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EP1150323A3 (de
EP1150323B1 (de
Inventor
Tae-Kyoung Kang
Ki-Jung Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung SDI Co Ltd
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Samsung SDI Co Ltd
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Filing date
Publication date
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Priority claimed from KR10-2000-0062873A external-priority patent/KR100373720B1/ko
Application filed by Samsung SDI Co Ltd filed Critical Samsung SDI Co Ltd
Publication of EP1150323A2 publication Critical patent/EP1150323A2/de
Publication of EP1150323A3 publication Critical patent/EP1150323A3/de
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J11/36—Spacers, barriers, ribs, partitions or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
    • H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/48—Sealing, e.g. seals specially adapted for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/54—Means for exhausting the gas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/241—Manufacture or joining of vessels, leading-in conductors or bases the vessel being for a flat panel display
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/241—Manufacture or joining of vessels, leading-in conductors or bases the vessel being for a flat panel display
    • H01J9/242—Spacers between faceplate and backplate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20—Constructional details
    • H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J2211/36—Spacers, barriers, ribs, partitions or the like
    • H01J2211/368—Dummy spacers, e.g. in a non display region

Definitions

  • the present invention relates to a plasma display panel and a method for manufacturing partitions thereof, and more particularly, to a plasma display panel in which neon light emission due to mis-discharge in a non-light emitting zone is fundamentally removed, and to a method for manufacturing partitions thereof.
  • a typical plasma display device for displaying an image by using a gas discharge phenomenon is widely noted for its superior display capabilities, such as display capacity, brightness, contrast, afterimage, and a viewing angle, as one which can replace a CRT.
  • discharge is generated between electrodes in a gas by direct current or alternating current applied to the electrodes. Then, fluorescent substance is excited by a ultraviolet ray radiated as the discharge is generated and emit light.
  • FIG. 1 is an exploded perspective view showing a panel of a typical alternating current type plasma display device.
  • a first electrode 13a which is a transparent display electrode and a second electrode 13b which is an address electrode are formed between a front glass substrate 11 and rear glass substrate 12.
  • the first electrode 13a includes a pair of an X electrode and a Y electrode. Sustaining discharge is generated between a pair of the first electrodes 13a during operation of the panel .
  • the first and second electrodes 13a and 13b are formed in strips, facing to each other, on the inner surfaces of the front glass substrate 11 and the rear glass substrate 12, respectively. When the front and rear glass substrates 11 and 12 are coupled to each other, the first and second electrodes 13a and 13b cross each other.
  • a dielectric layer 14 and a protective layer 15 are stacked in order on the inner surface of the front glass substrate 11.
  • Partitions 17 are formed on the upper surface of a dielectric layer 14' formed on the rear glass substrate 12.
  • a cell 19 is formed by the partitions 17 and is filled with an inert gas such as neon (Ne) and xenon (Xe).
  • Fluorescent substance 18 is coated on a predetermined portion of the inside of each cell.
  • Reference numeral 13c denotes a bus electrode which is formed on the surface of the first electrode 13a to prevent line resistance which increases as the length of the first electrode 13a increases.
  • a high voltage that is, a trigger voltage
  • a trigger voltage is applied to generate discharge between the X electrode of the first electrode 13a and the second electrode 13b.
  • discharge is generated.
  • the trigger voltage exceeds a threshold voltage
  • the discharge gas filled in the cell 19 becomes a plasma state by the discharge.
  • a stable discharge state can be maintained between pairs of the first electrodes 13 (see FIG. 2).
  • this sustaining discharge state of discharge lights, light in a range of an ultraviolet area collides with the fluorescent substance 18 and emits light. Accordingly, each pixel formed by a unit of the cell 19 can display an image.
  • FIG. 2 is a sectional view showing the assembled plasma display panel of FIG. 1 by cutting the partitions in a widthwise direction.
  • the same reference numerals are used for the same elements shown in FIGS. 1 and 2.
  • the front glass substrate 11 and the rear glass substrate 12 are coupled to each other with the partitions 17 interposed therebetween.
  • Such coupling is made by sealing material having similar properties to those of a substrate material such as frit glass 22 coated between the front and rear glass substrates 11 and 12.
  • the frit glass 22 is coated on the inner surfaces of the front and rear substrates 11 and 12 along the edge thereof. The frit glass 22 is heated and melted in a state in which the front and rear substrates 11 and 12 are pressed against each other, and then is solidified so that the substrates 11 and 12 can be combined by being attached to each other.
  • Reference numeral 23 denotes the outermost partition positioned at the edge of the substrates 11 and 12 which defines a non-light emitting zone 21 with the frit glass 22. That is, the non-light emitting zone 21 is defined between the outermost partition 23 and the frit glass 22. Since the second electrode 13b is not formed in the non-light emitting zone 21, as shown in the drawing, and since fluorescent substance is not coated thereon, theoretically, no discharge is generated.
  • the zone is a so called dummy and margin zone and is formed at the outskirts of a display where an image is displayed.
  • the dummy and margin zone includes an area where a dummy is present for preventing an edge effect that may occur in discharge cells at the outermost area of the display and a margin zone for compensating for a limit in accuracy of each of processes.
  • the dummy and margin zone is designed considering a property of each of layers.
  • the non-light emission zone is actually filled with the discharge gas filled in the discharge cell 19, when the sustaining discharge is generated between a pair of first electrodes 13a, discharge is generated in the non-light emitting zone 21.
  • Such a mis-discharge phenomenon causes light emission by the discharge gas itself, in particular, a light emission phenomenon of an orange color occurs.
  • the overall color purity of a display is lowered due to the presence of the non-light emitting zone 21.
  • a dummy electrode is used in the conventional technology.
  • a plurality of dummy electrodes are formed parallel to an address electrode at a portion corresponding to the outermost portion of a display area.
  • the dummy electrodes are electrically connected to one another to be connected in common with an external connection terminal.
  • a dummy electrode is formed parallel to an address electrode at a portion corresponding to the outermost portion of a display area.
  • the outermost address electrode and the dummy electrode are electrically connected to each other.
  • a plurality of dummy electrodes are formed parallel to an address electrode at a portion corresponding to the outermost portion of a display area.
  • the outermost address electrode and the dummy electrode are electrically connected to each other.
  • a predetermined voltage is applied to the outermost address electrode during a priming discharge period, an address discharge period, and a sustain discharge period.
  • a plasma display panel comprising a front glass substrate and a rear glass substrate coupled to each other by a sealing material coated at the edges of the front and rear glass substrates, first and second electrodes respectively formed to be perpendicular to each other on inner surfaces of the front and rear glass substrates facing each other, a dielectric layer formed on each of the inner surfaces of the front and rear glass substrates to cover the first and second electrodes, partitions formed on an upper surface of the dielectric layer of the rear glass substrate; red, green and blue fluorescent substances coated between the partitions, and a non-light emitting zone filling portion formed by filling a non-light emitting zone existing between the outermost partition among the partitions and the sealing material with a material for the partition.
  • the invention provides a plasma display panel which can prevent the mis-discharge phenomenon in a non-light emitting zone.
  • the outermost partition and the non-light emitting zone filling portion are substantially formed integrally.
  • the non-light emitting zone filling portion is formed by completely filling a space between the frit glass and the outermost partition.
  • the non-light emitting zone filling portion covers end portions of the electrodes formed on the front glass substrate.
  • At least one gas exhaust hole is formed at an upper surface of the non-light emitting zone filling portion parallel to a lengthwise direction of the partition.
  • the depth of the gas exhaust hole is within a range of 10 through 160 ⁇ m.
  • the invention also provides a plasma display panel comprising a front glass substrate and a rear glass substrate coupled to each other by a sealing material coated at the edges of both substrates, first and second electrodes respectively formed to be perpendicular to each other on inner surfaces of the front and rear glass substrates facing each other, a dielectric layer formed on each of the inner surfaces of the front and rear glass substrates to cover the first and second electrodes, partitions formed on an upper surface of the dielectric layer of the rear glass substrate, red, green and blue fluorescent substances coated between the partitions, and a non-light emitting zone filling portion formed by filing a non-light emitting zone existing between the outermost partition among the partitions and the sealing material to be close to the outermost partition with the material for the partition, thereby forming an empty space between the sealing material and the non-light emitting zone filling portion and covering end portions of the electrodes formed on the front glass substrate.
  • the width of the non-light emitting zone filling portion is equal to the length of the end portions of the electrodes on the front glass substrate which are extended passing the outermost partition.
  • the width of the non-light emitting zone filling portion is greater than the length of the end portions of the electrodes on the front glass substrate which are extended passing the outermost partition.
  • the sum (W3) of the width of the non-light emitting zone filling portion and the width of the outermost partition is 1.0 mm, and the length of the end portion of each of electrodes on the front glass substrate covered by the non-light emitting zone filling portion and the outermost partition is 0.3 mm.
  • the electrodes on the front glass substrate are extended within 300 ⁇ m passing the non-light emitting zone filling portion.
  • the invention also provides a method for manufacturing partitions of a plasma display panel comprising the steps of coating a material for partitions on the upper surface of a dielectric layer formed on a glass substrate where electrodes in a predetermined pattern and the dielectric layer are formed, forming a cured pattern of dry film resister for shielding the partitions and portions corresponding to a non-light emitting zone between the outermost partition and a sealing material, by coating dry film resist on the upper surface of the coated partition material and exposing the dry film resister and developing the exposed dry film resister, and partially removing the partition material by ejecting abrasion particles at a high speed using the cured pattern as a mask.
  • This method for manufacturing partitions of the plasma display panel can prevent the mis-discharge phenomenon in the non-light emitting zone.
  • the overall structure of a plasma display panel according to the present invention is substantially similar to the plasma display panel shown in FIG. 1. That is, partitions 17 are formed between a front glass substrate 11 and a rear glass substrate 12, and a first electrode 13a, a second electrode 13b and a third electrode 13c are formed. Also, fluorescent substance 18 is coated inside a cell 19 formed by the partitions 17 and the cell 19 is filled with a discharge gas. The fluorescent substance 18 is excited when discharge is generated between the electrodes to emit light.
  • FIG. 3 shows a plasma display panel according to a preferred embodiment of the present invention by cutting partitions 17 in a widthwise direction.
  • the same elements as that of FIG. 2 are indicated by the same reference numerals.
  • the first electrode 13a, a third electrode (not shown), the dielectric layer 14, and the protective layer 15 are formed in order on the front glass substrate 11.
  • the second electrode 13b, the dielectric layer 14', and the partitions 17 are formed in order on the rear glass substrate 12.
  • the front and rear glass substrates 11 and 12 are combined with each other by a sealing material such as the frit glass 22.
  • the frit glass 22 is coated on the inner surfaces of the front and rear glass substrates 11 and 12 along the edge thereof, as described above.
  • the frit glass 22 is heated to be melt and solidified so that the substrates 11 and 12 can be combined by being attached to each other.
  • a non-light emitting zone filling portion 31 is formed integrally with the outermost partitions in the non-light emitting zone (see 21 of FIG. 2) formed between the outermost partition and the frit glass 22.
  • the non-light emitting zone filling portion 31 completely fills the space in the non-light emitting zone to prevent the non-light emitting zone from being filled with a discharge gas. That is, as can be seen from the drawing, the non-light emitting zone filling portion 31 is formed by filling the non-light emitting zone defined between the outermost partition 33 and the frit glass 22 indicated by a dotted line with the same material for the partitions 33 to the same height as the partitions 33.
  • the non-light emitting zone filling portion 31 can be understood as one being formed by extending the outermost partition 33 to the inner surface of the frit glass 22.
  • the mis-discharge is not generated in the non-light emitting zone in the panel having the structure shown in FIG. 3 not only because there is no space to be filled with discharge gas but also because end portions of the electrodes 13a formed on the front glass substrate 11 are covered by the non-light emitting zone filling portion 31. That is, end portions of the X electrode or the Y electrode formed on the front glass substrate 11 are typically extended lengthwise to end between the frit glass 22 and the outermost partition 33. Since the non-light emission zone filling portion 31 covers the end portions of the electrodes, mis-discharge is not generated. This mechanism will be described in detail with reference to FIG. 7.
  • FIGS. 4A through 4E shows a method for manufacturing partitions of the plasma display panel described above according to a preferred embodiment of the present invention.
  • the rear glass substrate 12 is provided and the second electrode 13b which is an address electrode and the dielectric layer 14' are formed on the rear glass substrate 12 in a typical method.
  • a partition material 41 is coated on the entire upper surface of the dielectric layer 14'.
  • FIG. 4C shows that dry film resist (DFR) is coated on the surface of the partition material 41.
  • DFR layer 42 is formed on the entire surface of the partition material 41.
  • the DFR layer 42 is formed to have a predetermined pattern 42', and the partition material 41 is removed by a sand blasting method to have a predetermined pattern.
  • the DFR layer 42 is formed to have a predetermined cured pattern 42' as shown in FIG. 4D after exposure and developing processes. That is, the DFR layer 42 is partially cured by the exposure process and developed so that the cured pattern 42' remains.
  • the DFR layer 42 remains in a pattern 43'.
  • the cured patterns 42' and 43' of the DFR layer 42 serve as masks with respect to abrasion particles 47 ejected at a high speed. Thus, a portion of the partition material 41 not shielded by the cured patterns 42' and 43' is removed by the abrasion particles 47 upon the sand blasting.
  • FIG. 4E shows a completed partitions.
  • the cured patterns 42' and 43' are removed after the partitions are completely formed by the sand blasting method.
  • the completed partitions are indicated by reference numeral 17 as shown in FIGS. 1 and 3.
  • the outermost partition located at the outermost position is indicated by reference numeral 33 as shown in FIG. 3.
  • the non-light emitting zone filling portion 31 is indicated by reference numeral 31 as shown in FIG. 3. It can be seen that, substantially, the outermost partition 33 and the non-light emitting zone filling portion 31 are integrally formed.
  • Reference numeral 45' denotes a space where frit glass is coated.
  • FIGS. 4A through 4E Although the method for manufacturing partitions of a plasma display panel using a sand blasting method is shown in FIGS. 4A through 4E, it is obvious that other methods can be adopted to form the non-light emitting zone filling portion 31 using the partition material in the non-light emitting zone.
  • the partition material when the partition is formed by a printing method, the partition material is printed onto the non-light emitting zone so that a plasma display panel of the present invention can be manufactured.
  • the partition material can be printed onto the non-light emitting zone by appropriately changing a screen used in the method.
  • FIG. 5 shows the structure of a rear glass substrate of a plasma display panel according to another preferred embodiment of the present invention.
  • the basic structure is similar to the structure described above and the same elements are indicated by the same reference numerals.
  • a non-light emitting zone filling portion 51 is formed between the outermost partition 23 and the frit glass space 45', and an gas exhaust hole 52 is formed at the upper surface of the non-light emitting zone filling portion 51.
  • end portions of the X electrode and the Y electrode formed on the front glass substrate are partially covered by the non-light emitting zone filling portion 51 having the gas exhaust hole 52.
  • the gas exhaust hole 52 facilitates exhaust of gas inside the panel.
  • the gas exhaust hole 52 extends in parallel in a lengthwise direction of the partitions 17, as shown in the drawing.
  • the depth and width of the gas exhaust hole 52 may be diversely formed so that mis-discharge is not generated.
  • the gas exhaust hole 52 is formed too deep, the amount of a discharge gas filled therein is large.
  • the width of the gas exhaust hole 52 is formed too wide, the length of an end portion of an electrode exposed in the gas exhaust hole 52 is extended.
  • the height of the partition 17 is formed to be 160 ⁇ m high
  • the depth of the gas exhaust hole 52 is preferably formed within a range of 10 through 160 ⁇ m.
  • the width of one gas exhaust hole is preferably less than 300 ⁇ m.
  • FIGS. 6A and 7 are a sectional view of a rear glass substrate and a bottom surface of a front glass substrate of a plasma display panel according to yet another preferred embodiment of the present invention.
  • the structure shown in FIG. 6A is similar to the structure of the plasma display panel described above. The same elements are indicated by the same reference numerals.
  • a non-light emitting zone filling portion 61 is formed in a non-light emitting zone formed between the outermost partition 23 and the frit glass space 45'.
  • the non-light emitting zone filling portion 61 does not fill the entire space of the non-light emitting zone, but partially fills only a portion close to the outermost partition 23.
  • An empty space 62 is formed between the non-light emitting zone filling portion 61 and the frit glass space 45' according to the above configuration. The empty space 62 facilitates exhaust and injection of gas.
  • the interval between the outermost partition 23 and the frit glass space 45' is 20 mm and the width of the non-light emitting zone filling portion 61 is less than 10 mm. That is, about half the empty space 62 between the outermost partition 23 and the frit glass space 45' is filled with the non-light emitting zone filling portion 61 and the remaining empty space is used for exhaust of gas.
  • the non-light emitting zone filling portion 61 formed at the right and left in FIG. 6A should be formed such that it can cover each of the end portions of the X electrode and the Y electrode to be formed on the front glass substrate. That is, as shown in FIG. 7, the X electrode and Y electrode are formed in pairs parallel to each other on the front glass substrate 11. One end portion of each of the electrodes for functioning as a terminal connected to an external circuit starts from the edge of the front glass substrate 11, whereas the other end portion ends at a position corresponding to the space between the outermost partition and the frit glass space 45'.
  • terminals of X electrodes 73a are formed at the left edge of the front glass substrate 11 while terminals of Y electrodes 73b are formed at the right edge of the front glass substrate 11.
  • the other end portion of the X electrode 73a which is not a terminal ends at a position corresponding to the space between the outermost partition and the frit glass space 45' at the right side of the substrate, while the other end portion of the Y electrode 73b which is not a terminal ends at a position corresponding to the space between the outermost partition and the frit glass space 45' at the left side of the substrate.
  • the non-light emitting zone filling portion 61 consequently covers all the end portions of the electrodes disposed between a portion 75 where frit glass is coated and the positions 77a and 77b corresponding to the outermost partitions.
  • the above structure can prevent mis-discharge between the electrodes located between the frit glass coating position 75 and a position 77 where the partitions are formed.
  • mis-discharge between the electrodes can be prevented under a predetermined condition. That is, when the end portions which are not the terminals for external connection of the X or Y electrodes are not completely covered by the non-light emitting zone filling portion 61, and are extended above the empty space 62 passing the non-light emitting zone filling portion 61, mis-discharge is not generated if the extended length is under a threshold value. For example, when the end portion of the electrode is extended over the empty space 62 to have the extended length less than 300 ⁇ m, mis-charge is not generated.
  • FIG. 6B shows a plasma display panel according to still yet another preferred embodiment of the present invention. This embodiment may be understood as one combining the embodiments shown in FIGS. 5 and 6A.
  • a non-light emitting zone filling portion 63 is formed close to the outermost partition 23, so that the empty space 62 is formed between the non-light emitting zone filling portion 63 and the frit glass space 45'.
  • a gas exhaust hole 64 is formed at the upper surface of the non-light emitting zone filling portion 63.
  • the gas exhaust hole 64 extends in a lengthwise direction of the partition, and may be formed in multiple numbers and parallel to one another.
  • the non-light emitting zone filling portion 63 where the gas exhaust hole 64 is formed covers the end portion of the electrode.
  • FIG. 8 is a view showing a plasma display panel according to still yet another preferred embodiment of the present invention, corresponding to a circled portion of FIG. 7 indicated by reference letter A.
  • the overall structure of the plasma display panel shown in FIG. 8 is similar to that of the plasma display panel shown in FIG. 7, and the same elements are indicated by the same reference numerals.
  • end portions of the X and Y electrodes 81 and 82 to be formed on the front glass substrate 11 are extended to cross a part of the width of a non-light emitting zone filling portion 61'.
  • the non-light emitting zone filling portion 61 of FIG. 6A formed at each of the left and right sides of the front glass substrate 11 is indicated by reference numeral 61' in FIG. 8, and the outer most partition is indicated by reference numeral 79.
  • Reference numeral 83 indicates an area corresponding to the length of an extended end portion of the electrode 81 from the outermost partition 79, in the non-light emitting zone filling portion 61'.
  • W1 denotes the width of the outermost partition 79
  • W2 denotes the length of the electrode extending above the upper surface of the outermost partition 79
  • W3 denotes the sum of the width of the outermost partition 79 and the width of the non-light emitting zone filling portion 61'.
  • the non-light emitting zone filling portion 61' is an area corresponding to the width of W3 excluding W1.
  • W1 is about 0.1 mm and W3 is about 1.0 mm.
  • the area 83 is about 0.2 mm.
  • W2 which is the length of an end portion of the electrode 81 covered by the outermost partition 79 and the non-light emitting zone filling portion 61' corresponds to about 0.3 mm.
  • the end portions of the electrodes 73a and 73b extend throughout the entire width of the non-light emitting zone filling portion 61' while, in the embodiment shown in FIG. 8, the end portion of the electrode 81 extends over a part of the width of the non-light emitting zone filling portion 61'.
  • the length of the extended end portion of the electrodes covered by the non-light emitting zone filling portion 61' and the outermost partition 79 is about 0.3 mm as described above. In the embodiment shown in FIG. 8, even when the end portions of the electrodes 81 and 82 are extended as the substrate is contracted or expanded, they do not protrude from the non-light emitting zone filling portion 61' to the empty space 62.
  • the end portions of the electrodes are covered by the non-light emitting zone filling portion 61 or 61', mis-discharge caused by mis-alignment of the substrates and an undesired positioning of an end portion of the electrode in a discharge cell as the substrate contracts or expands due to thermal deformation can be prevented. That is, by completely covering the end portion of the electrode with the non-light emitting zone filling portion, if dispersion of process occurs, mis-discharge is prevented since no discharge space is present.
  • the non-light emitting zone is filled with a material for the partition, intrusion of a discharge gas thereto is fundamentally prevented .
  • lowering of color purity due to mis-discharge can be prevented.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Gas-Filled Discharge Tubes (AREA)
EP01303578A 2000-04-24 2001-04-19 Plasmaanzeigetafel und Verfahren zur Herstellung von Trennwänden aus dieser Plasmaanzeigetafel Expired - Lifetime EP1150323B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR2000021645 2000-04-24
KR20000021645 2000-04-24
KR10-2000-0062873A KR100373720B1 (ko) 2000-04-24 2000-10-25 플라즈마 디스플레이 패널 및, 그것의 격벽 제조 방법
KR2000062873 2000-10-25

Publications (3)

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EP1150323A2 true EP1150323A2 (de) 2001-10-31
EP1150323A3 EP1150323A3 (de) 2003-10-01
EP1150323B1 EP1150323B1 (de) 2010-07-28

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EP01303578A Expired - Lifetime EP1150323B1 (de) 2000-04-24 2001-04-19 Plasmaanzeigetafel und Verfahren zur Herstellung von Trennwänden aus dieser Plasmaanzeigetafel

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US (3) US6828731B2 (de)
EP (1) EP1150323B1 (de)
JP (2) JP2001312972A (de)
CN (1) CN1278358C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6828731B2 (en) 2000-04-24 2004-12-07 Samsung Electronics Co., Ltd. Plasma display panel having a non-light emitting zone filling portion

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US20050168145A1 (en) 2005-08-04
EP1150323A3 (de) 2003-10-01
US20030197469A1 (en) 2003-10-23
CN1278358C (zh) 2006-10-04
JP4860440B2 (ja) 2012-01-25
EP1150323B1 (de) 2010-07-28
JP2007035653A (ja) 2007-02-08
US7355345B2 (en) 2008-04-08
US20020003406A1 (en) 2002-01-10
US6884142B2 (en) 2005-04-26
US6828731B2 (en) 2004-12-07
CN1320945A (zh) 2001-11-07

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